Get your appscore,
start seeing great offers.

Your app’s score is the key to getting offers from
app stores and helps in getting you top placement.

top scoring apps

  • Maps

    Google Inc.

  • Facebook


  • Google Search

    Google Inc.

  • YouTube

    Google Inc.

  • Gmail

    Google Inc.

  • Google+

    Google Inc.

  • Street View on Google Maps

    Google Inc.

  • Google Play services

    Google Inc.

  • Despicable Me


  • Tiny Flashlight + LED

    Nikolay Ananiev

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Xchange’s appscore gives every app a score from 1.0 - 10.0

These scores are based on customer reviews, sales and marketability metrics. appscore uses a machine learning model, evolving and adapting to changing conditions, exploiting hidden correlations in the large and complex mobile app market.

Apps that score 8.5 or higher receive top offers
for distribution and placement.

Xchange is a distribution platform that matches developers with stores.

App developers add their apps to the Xchange platform and receive offers from the stores.

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Get your appscore

Your apps score will help
you receive more offers.

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Manage store offers

Stores bid in wholesale units. What offers are waiting for you?

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Track app sales

After your app sells you can track it’s unit sales.

app stores featured in Xchange

Welcome to appbackr, a crowdfunding marketplace for mobile apps!

appbackr is the first crowdfunding marketplace for mobile apps. Developers connect with 'backrs' to help fund, market, and distribute their apps.

Backrs make a profit as the app sells in retail app stores. appbackr allows anyone to take part in the new app economy...and make some $$$.

Some apps are finished and some are still being developed. Backing an app early gives you the opportunity to make a higher return.

Creating an app is hard work. Developers work tirelessly to build, perfect, and promote their apps in a very competitive market. appbackr gives them a place to find like-minded people to help support them in their journey.

We're glad you're here...welcome to appbackr!

Got it?...Thanks!